package www.openteam.com.tool;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.URL;
import java.util.Enumeration;

/**
 * Created by kylin on 2016/12/14.
 */
public class NetworkUtil {

        public static int NET_CNNT_OK =1 ;//NetWorkAvailable
        public static int NET_CNNT_TIMEOUT =2;//no NetworkAvailable
        public static int NET_NOT_PREPARE =3 ; //Net no ready
        public static int NET_ERROR =4;// net error

        private static int TIMEOUT =3000; //TIMEOUT



        public static boolean isNetworkAvailable(Context context){
            ConnectivityManager manager = (ConnectivityManager)
                    context.getApplicationContext().getSystemService(
                            Context.CONNECTIVITY_SERVICE);

            if (manager == null){
                return false;
            }
            NetworkInfo info = manager.getActiveNetworkInfo();
            if (info == null || !info.isAvailable()){
                return false;
            }
            return true;
        }


    public static String getLocalIpAddress(){
        String ret ="";
        try{
            for (Enumeration<NetworkInterface> en =
                 NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();){

            NetworkInterface intf =en.nextElement();
                for (Enumeration<InetAddress> enumIpAddr=
                        intf.getInetAddresses(); enumIpAddr.hasMoreElements();){
                            InetAddress inetAddress =enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress()){
                        ret= inetAddress.getHostAddress().toString();
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        return ret;
    }

    public static int getNetState(Context context){
        try{
            ConnectivityManager connectivity = (ConnectivityManager) context.getApplicationContext()
                    .getSystemService(Context.CONNECTIVITY_SERVICE);

            if (connectivity != null){
                NetworkInfo networkInfo =connectivity.getActiveNetworkInfo();

                if (networkInfo.isAvailable() &&networkInfo.isConnected()){
                    if (!connectionNetwork()){
                        return NET_CNNT_TIMEOUT;
                    }else{
                        return NET_CNNT_OK;
                    }
                }else{
                    return NET_NOT_PREPARE;
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
        return NET_ERROR;
    }





    /**
     * ping "http://www.baidu.com"
     *
     * @return
     */
    static private boolean connectionNetwork() {
        boolean result = false;
        HttpURLConnection httpUrl = null;
        try {
            httpUrl = (HttpURLConnection) new URL("http://www.baidu.com")
                    .openConnection();
            httpUrl.setConnectTimeout(TIMEOUT);
            httpUrl.connect();
            result = true;
        } catch (IOException e) {
        } finally {
            if (null != httpUrl) {
                httpUrl.disconnect();
            }
            httpUrl = null;
        }
        return result;
    }

    /**
     * check is3G
     *
     * @param context
     * @return boolean
     */
    public static boolean is3G(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        if (activeNetInfo != null
                && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
            return true;
        }
        return false;
    }

    /**
     * isWifi
     *
     * @param context
     * @return boolean
     */
    public static boolean isWifi(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        if (activeNetInfo != null
                && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
            return true;
        }
        return false;
    }

    /**
     * is2G
     *
     * @param context
     * @return boolean
     */
    public static boolean is2G(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        if (activeNetInfo != null
                && (activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE
                || activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS || activeNetInfo
                .getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA)) {
            return true;
        }
        return false;
    }

    /**
     * is wifi on
     */
    public static boolean isWifiEnabled(Context context) {
        ConnectivityManager mgrConn = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        TelephonyManager mgrTel = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        return ((mgrConn.getActiveNetworkInfo() != null && mgrConn
                .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
                .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);
    }

}

